Tuthill KINNEY KC Series User manual

KINNEY®
Two-Stage, Rotary Piston Vacuum Pump
KC Series
Models
KC-5 KC-15
KC-8
OPERATOR’S MANUAL
Manual 1807 Rev B p/n 001807 0000
Tuthill Vacuum & Blower Systems tuthillvacuumblower.com 800.825.6937
WARNING: Do Not Operate Before Reading Manual
Operator’s Manual: Tuthill KC Series Two-Stage, Rotary Piston Vacuum Pump
Copyright © 2017 Tuthill Vacuum & Blower Systems
All rights reserved. Product information and specications subject to change.

Disclaimer Statement:
All information, illustrations and specications in this manual are based on the latest information available at
the time of publishing. The illustrations used in this manual are intended as representative reference views only.
Products are under a continous improvement policy. Thus, information, illustrations and/or specications to
explain and or exemplify a product, service or maintenance improvement may be changed at any time without
notice.
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No part of this publication may be reproduced or used in any form by any means - graphic, electronic or me-
chanical, including photocopying, recording, taping or information storage and retrieval systems - without the
written permission of Tuthill Vacuum & Blower Systems.
Copyright © 2017 Tuthill Vacuum & Blower Systems
All rights reserved. Product information and specications subject to change.
The employees of Tuthill Vacuum & Blower Systems thank you for your purchase!
Tuthill Vacuum & Blower Systems proudly manufactures
Kinney®vacuum pumps and M-D PneumaticsTM blowers and
vacuum boosters in Springeld, Missouri, USA. We bring
100+ years of engineering experience and solid, hands-
on care to help customers keep their processes running.
Your satisfaction is important to us so please take time to
provide your Tuthill sales representative with performance
feedback. We love to hear from our customers!
Tuthill is a family owned business that was started by James
B. Tuthill in 1892. At that time, Tuthill manufactured com-
mon brick to Chicago construction companies who were
fueling the city’s rapid expansion. Fast forward to today
and Tuthill now serves sustaining, global markets like agri-
culture, chemical, construction, energy, food and beverage,
pharmaceuticals and medical, transportation, and utilities.
While the company has changed in what it manufactures,
one thing remains throughout every Tuthill line of business
– we are a company with HEART. Our slogan is “Pump Your
Heart Into It” and everyday our employees do just that as
they represent the Tuthill brand and dare to make better.
Thank you for making Tuthill Vacuum & Blower Systems
part of your company’s process! FIND OUT MORE AT
TUTHILL.COM
A company with heart
right from the start.

i
Manual 1807 Rev B p/n 001807 0000
Table of Contents
Table of Contents
Introduction .................................................................................. 1
Description............................................................................................ 1
Pump Components ............................................................................... 2
Operating Cycle ......................................................................... 2
Sealing and Lubrication ............................................................. 3
Oil Types .................................................................................... 3
Specifications........................................................................................ 4
Safety ............................................................................................ 5
Graphic Conventions Used in this Manual............................................ 5
Safety Instruction Tags.......................................................................... 5
Safety Precautions for Rotary Piston Pumps......................................... 6
Installation .................................................................................... 7
Mounting ............................................................................................... 7
V-Belt..................................................................................................... 7
Discharge Piping .................................................................................. 7
Vacuum Piping ...................................................................................... 7
Vacuum Gauges ................................................................................... 9
Electrical Connections .......................................................................... 9
General ................................................................................................. 9
Filling the Pump with Oil...................................................................... 10
KC-5 and KC-8 ......................................................................... 10
KC-15 ....................................................................................... 10

ii
Table of Contents
Manual 1807 Rev B p/n 001807 0000
Pre-Start Checks................................................................................. 10
Operation .....................................................................................11
Starting the Pump ............................................................................... 12
Stopping the Pump ............................................................................. 12
Gas Ballast.......................................................................................... 12
Special Refrigeration Service Pumps ................................................ 13
Maintenance ............................................................................... 14
Periodic Maintenance ......................................................................... 14
Changing the Oil ................................................................................. 14
Flooding .............................................................................................. 15
Oil Mist Eliminator ............................................................................... 15
Stalling ................................................................................................ 17
Troubleshooting......................................................................... 18
Checking Pump Performance............................................................. 19
Pump Leaks ........................................................................................ 20
Checking Process Equipment ............................................................ 20
Process Equipment Leaks .................................................................. 20
Leak Checking Techniques................................................................. 21
Oil Contamination................................................................................ 21
Discharge Valve .................................................................................. 21
Shaft Seal ............................................................................................ 22
Disassembly ............................................................................... 24
Reassembly ................................................................................ 26
Replacement Parts..................................................................... 29
Spare Parts ......................................................................................... 29
Ordering Parts .................................................................................... 29
Exploded Views and Parts Lists.......................................................... 30
KC-5 and KC-8 Exploded View Drawing .................................. 30
KC-5 and KC-8 Parts List ......................................................... 31

iii
Manual 1807 Rev B p/n 001807 0000
Table of Contents
KC-8C Exploded View Drawing................................................ 32
KC-8C Parts List....................................................................... 33
KC-15D Exploded View Drawing.............................................. 34
KC-15D Parts List..................................................................... 35
KC-15L Exploded View Drawing .............................................. 36
KC-15L Parts List ..................................................................... 37